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Types of Change in Matter

by Hannah Johnson

Physical Changes

Chemical Changes

Phase Changes

Click on each type of change to learn more...

Physical Changes

You know you are looking at a physical change when you observe changes in form, shape, size, phase, or color.Scientist know that most physical changes can be seen with their eyes, they can also tell if something is a physical change because it will not change the substance's identity.

You know you are looking at a chemical change when you can observe light, heat, odor, bubbling or fizzing, a color change, or production of a gas or solid.Scientist know that most chemical changes can break and form chemical bonds, cause changes in temperature, and other examples of what we can observe in the above statement.

You know you are looking at a chemical change when you can observe light, heat, odor, bubbling or fizzing, a color change, or production of a gas or solid.Scientist know that most chemical changes can break and form chemical bonds, cause changes in temperature, and other examples of what we can observe in the above statement.